Evaluation of growth and flowering of Chenopodium quinoa Willd. under Polish conditions
Krzysztof Gęsiński
The material presented refers to the estimation of growth and the flowering (Chenopodium quinoa Willd.) under Polish conditions. The species has been a South-American pseudocereal cultivated in the traditional form in the Andean region for over 5 thousand years. Its advantage, apart from low soil and climate requirements, is that it shows high nutritive value. The Chenopodium quinoa protein is especially valuable with its amino acid composition which is better balanced than that of wheat or maize. It shows a better share of egzogenic aminoacids. Field examinations were carried out in 1999-2001 at the Experiment Station of Cultivar Testing at Chrząstowo. The experiment involved two cultivars from two various growing regions: America and Europe. Analyses were made to include development stages, plant growth dynamics, inflorescences development dynamics, inflorescence habit and flowering. Differences were recorded in the growth and development models of the cultivars researched. The European cultivar had a short compact inflorescence with a short flowering period, reaching 120 cm. American cultivar plants were high (160 cm); they showed a slower continuous growth, loose big-in-size inflorescence, and a long period of flowering. The plants ended their growing season over the flowering stage or seed formation. The adequate growth, the course of flowering and, as a result, a stable yielding of the European cultivar make the group suitable for the cultivation under Polish conditions. This breeding group should also be the parent material for the cultivation of the Polish cultivar of Chenopodium quinoa.
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